E&J GF0600059REVB06 User Manual
Page 35
Metro Power
III Owner’s Manual
GF0600059RevB06, November 2006
35
SYMPTOM
BATTERY
POSSIBLE CAUSE
CORRECTIVE ACTION
GAUGE
LIGHTS
Wheelchair
Off
won’t drive
Flash fast
Control system fault
The controller safety circuits have operated and the controller has
(even with
been prevented from moving the wheelchair. This indicates that there
joystick
is a fault. Please follow this procedure:
released)
1. Turn the controller’s ON/OFF switch off.
2. Ensure that all controller and wheelchair connectors are securely mated.
3. Check battery condition.
4. If you can’t find the problem, try using the following Battery gauge diagnostic guide.
5. Turn the controller on again and try to drive the wheelchair. If the fault lights flash again,
do not try to use the wheelchair; contact your dealer.
Wheelchair
On, steady
All is well
None
drives
Flash
Low batteries
Controller is functioning correctly but you should charge the batteries
slowly
as soon as possible.
Wheelchair
On
Speed control or
If the wheelchair does not travel at full speed or does not respond
drives, but
nonhazardous fault
quickly enough, and battery condition is good, check speed control
movement is
setting. If adjusting the speed control does not remedy the problem,
sluggish
there may be a nonhazardous fault. Contact your dealer.
Speed and response
Reprogram to desired
have been
performance
programmed slow
Battery gauge diagnostic guide
In addition to the battery gauge function, the battery gauge provides a diagnostic display. When a
system fault occurs, a set (from one to ten) of light bars will flash. Use the illustration below to di-
agnose the fault (the number represents the number of light bars flashing), then find the problem in
the Battery gauge diagnostic guide table that follows.
Battery gauge diagnostic guide table
BATTERY
INDICATOR
SYSTEM
LIGHTS
FAULT
CHECK / ACTION
Red, yellow, &
None
Battery charged; controller and electrical system OK.
green bars lit
Red & yellow
None
Charge battery if possible; controller and electrical system OK.
bars lit
Red bars only
None
Low batteries; controller and electrical system OK. Charge batteries.
lit or slow flash
Red, yellow,
Possible
Joystick out of neutral—leave joystick in neutral while turning wheelchair power on. Operate
& green bars, joystick fault
joystick to make sure it returns to neutral. Turn ON/OFF switch off and ON to reset.
ripple up &
down